| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | Never | 689 |
57.4%
|
| 1 | Just once or twice | 177 |
14.8%
|
| 2 | Several times | 152 |
12.7%
|
| 3 | Many times | 68 |
5.7%
|
| 4 | Always | 113 |
9.4%
|
| 8 | Refused | 0 |
0%
|
| 9 | Don't Know | 1 |
0.1%
|